Surrogate Standard Back Catalog number: 96716 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8841.8-K-IO 2-Propyl-3-methylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 59037 Lithium 6 (Li6) Price on request 11902.19-10MG Protriptyline hydrochloride ,neat,neat,10mg, Price on request